8 Trendy Workouts (Ranked on the Sweat-O-Meter Scale)

Sometimes you want to walk out of the gym drenched in sweat, and sometimes you want to keep that spendy blowout intact. That's where this sweat-o-meter comes in

Barry's Bootcamp: 7 Barry's Bootcamp is based on interval training, which means you do a series of high-intensity workouts -- everything from sprints on a treadmill to squats -- with short breaks in between. While those brief breaks keep this class from reaching an eight or a nine on the sweat scale, it's still seriously sweat-inducing. (Plus, the trainers yell at you, which makes me sweat even when I'm doing nothing.)

Try it: There are locations in New York and California, as well as Nashville -- plus a few spots in Europe.

This article could have been written for me. Last year, I exercised daily (either on my stationery bike or walking the track at the high school), but I HAD to wash my hair every day. That stripped it of color and made already-dry locks more vulnerable. I had nearly (nearly) forgotten that there are other things I can do--such as ballet moves--where I won't be a soaking mess! Great piece!